Growth of Aztec Tenochtitlan

Timeline

1. 1351–1355Lake Texcoco · MexicoThe Aztecs expanded chinampa farmland, building arable land from lake mud and reed frameworks; combined with fishing and fowl raising, this significantly increased Tenochtitlan's population and food supply.
2. 1355–1358Tenochtitlan · MexicoAs a vassal of the Tepanec hegemon Azcapotzalco, Tenochtitlan paid tribute to its overlord and sent troops to join its external campaigns, gaining plunder and political protection while accumulating military experience.
3. 1358–1360Central district of Tenochtitlan · MexicoBy around 1360, Tenochtitlan had rudimentary sacrificial centers and noble quarters, with a functioning council of clan elders (the precursor to the tlatoani election mechanism), and the city-state's administrative and religious order was gradually established.